SOLUTION: If 7 times a certain number is subtracted from 630, the remainder is thrice the number.Find the number?

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Question 696599: If 7 times a certain number is subtracted from 630, the remainder is thrice the number.Find the number?
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
630-7X=3X
630=3X+7X
630=10X
X=630/10
X=63 ANS.
PROOF:
630-7*63=3*63
630-441=189
189=189